Ernst august weinpiold



(No Model.)

' E. A. WEINHOLD.

APPARATUS FOR WASHING AND GLEANSING GRAIN. NO. 562,053.

Patented June 16, 1896.

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' sound grain or the like.

UNITED STATES PATENT OFFICEe ERNST AUGUST WEINHOLD, OE LOUVAIN, BELGIUM.

APPARATUS FOR WASHING AND CLEANSING GRAIN.

SPECIFICATION forming part of Letters Patent No. 562,053, dated June 16,1896.

Application iiled May 4,1895. Serial No.548,155. (No model.) Patented inBelgium October 20, 1894, No.112,324; in France October 23, 1894, No.242,317; in Italy November 7, 1894,No. 37,546, and in England November19, 1894,1To. 22,329.

To all whom it may concern/.-

Be it known that I, ERNST AUGUST VVEINJ HOLD, a subject of the King ofPrussia, German Emperor, and a resident of Louvain, in the Kingdom ofBelgium, have invented an Improved Apparatus for Vashing and CleansingGrain and the Like, (for which I have obtained patentsin GreatBritain,No. 22,329, dated November 19, 1894; in Belgium, No. 112,394, datedOctober 20, 1894; in France, No. 942,817, dated'October 23, 1894, and inItaly, No. 37,546, dated November 7, 1894,) of which the following is anexact specification.

This invention relates to an apparatus by moans of which the grain orsimilar material may be washed as well as freed from all those parts thespecific gravity of which is other.

wise-2'.. e., higher or lower-than that of the I obtain the desiredresult by exposing the grain to the action of slowly-flowing water, thevelocity of which is such that those particles which are too heavycannot be moved away by the water. The other particles-2'. c. ,those ofthe right weight as well as those of too low a weightare moved away bythe water and are transported into a vessel, within which a separationtakes place, in that the sound grain sinks down upon an inclined bottom,while the other grain is led over into another compartment forundergoing another separation.

In order to make my invention more clear,

I refer to the accompanyingdrawings,in which similar letters denotesimilar parts throughout the diffrent views, and in which- Figure 1 is avertical longitudinal section through the apparatus. Fig. 2 is avertical cross-section through the same, and Fig. 3 is a horizontalsection taken on line 4 5 of Fig. 1.- Referring to the accompanyingdrawings, a designates a frame holding a vat b, the bottom of which issloping. Said bottom supports a -funnel-like vessel c, the lower openingof which is closed by a lever d d', fulcrumed at d3 to a bracket e. Thearm d of said lever is Jfurnished with a weight d2, by means of which apiece of rubber, leather, or the like attached to arm d is pressed uponthe opening of funnel c. Within the upper opening of said funnel isarranged a circular trough f, consisting of an outer inclined wall andan inner vertical wall. The latter carries a hollow casting /,having theshape of a truncated cone. The small top plate of the latter is providedwith a vertical rod h, carrying by means `of its upper end a hopper t',the lower cylindrical portion of which is screw-threaded and isencompassed by a short piece of tube 7c. The latter carries an invertedhopper l, taking over the cone g aforementioned. The intermediate spacebetween the parts g and l, may

be decreased or increased by screwing the piece of tube 7,; down or upalong the threaded end portion of hopper Hopper 'i is the feed-hopper ofthe apparatus. The grain passing from 'L' to l is uniformly distributedover and by the cone g and glides down into the circular troughj'. Thelatter communicates throughout its whole circumference with the funnelc.

Funnel c is kept filled with water by means of the pipe n. The waterenters the trough f through the annular slot in the bottom of the latterand flows in a uniform stream in an upward direction through saidtrough. The feed of the water is chosen so that the velocity of thewater within the trough is such that those particles of grain having toogreat a specific gravity cannot be transported by the moving water-4'.c., cannot be caused to flow, together with the water, over into the vatb. The said particles fall down into the funnel c, in the lower portionof which they collect.

From time to time the lever-arm CZ is raised, so as to free the loweropening of the funnel from arm d and allow the particles collected toleave the funnel.

The speciiic gravity of the sound grain washed into the vat b by thewater flowing out of the trough f is a little higher than that of thewater, and said grain will therefore sink down upon the sloping bottomof the vat and will escape out of the same through the gutter o,together with as much water as allowed by the position of the adjust-able slidevalve p. The latter may be operated by the rod q, and isin any case adjusted so that the quantity of water flowing out of thefunnel through said gutter 0 is somewhat less than that of the waterentering the funnel through IOO The excess of the water iows through twonozzles o' into a Vsecond` vat s, the bottom of which is likewisesloping. Said second vat is connected with gutter 0 by a gutter t, whichalso may be opened or closed by a slidevalve it, operated by a rod fu.The water iiowing into vat s takes withit that grain which has beenswimming upon the surface of the water contained within vat b. That partof this grain which is tolerably sound will slowly sink down upon thesloping bottom of vat s and will flow away through the gutter z5 intothe gutter 0. The remaining part of the grain is unsound and will iiowon?, together with the excess of water, through the waste-pipe w. Theslide-valve u is adjusted in such a way that the height of the waterwithin vat s is kept on a level with the wastepipe w. The sound graincontained in vat s is prevented from flowing away through pipe w bymeans of two cross-plates 03 ad.

. Having thus fully described the nature of niy invention,' what Idesire t0 secure'by Letters Patent ofthe United States is InY anapparatus for washing and cleansing grain and the like, the combinationwith a conical body arranged upon said vertical wall,

and adapted to distribute the grain uniformly upon the surface of thewater within the said trough; a hopper leading the grain onto the top ofsaid conical body; another basin encircling the iirst-n1entioncd basin,and having an inclined bottom, and a valve at the lowest part of saidbottoni; and a watersup ply pipe terminating below the said conical bodyin said first-mentioned basin, substantially andfor the purpose asdescribed.

In testimony whereof I have signed this speciiication inthe presence oftwo subscribing witnesses.

ERNST AUGUST VVEINHOTJ).

Titnesses G. BETERD, T. GRoU'i-Ans

